40440626 has 16 divisors (see below), whose sum is σ = 64255200. Its totient is φ = 19035648.

The previous prime is 40440611. The next prime is 40440629. The reversal of 40440626 is 62604404.

It is a junction number, because it is equal to n+sod(n) for n = 40440595 and 40440604.

It is not an unprimeable number, because it can be changed into a prime (40440629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 9458.

It is an arithmetic number, because the mean of its divisors is an integer number (4015950).

Almost surely, 2^40440626 is an apocalyptic number.

40440626 is a deficient number, since it is larger than the sum of its proper divisors (23814574).

40440626 is a wasteful number, since it uses less digits than its factorization.

40440626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40440626 is about 6359.2944577209. The cubic root of 40440626 is about 343.2463727563.

The spelling of 40440626 in words is "forty million, four hundred forty thousand, six hundred twenty-six".